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bpo-22257: Small changes for PEP 432. (#1728)

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PEP 432 specifies a number of large changes to interpreter startup code, including exposing a cleaner C-API. The major changes depend on a number of smaller changes. This patch includes all those smaller changes.
This commit is contained in:
Eric Snow 2017-05-22 21:36:03 -07:00 • committed by GitHub
parent f9169ce6b4
commit 6b4be195cd
19 changed files with 2221 additions and 2006 deletions
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15
Python/pylifecycle.c
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@ -291,6 +291,9 @@ import_init(PyInterpreterState *interp, PyObject *sysmod)
/* Install importlib as the implementation of import */
value = PyObject_CallMethod(importlib, "_install", "OO", sysmod, impmod);
if (value != NULL)
value = PyObject_CallMethod(importlib,
"_install_external_importers", "");
if (value == NULL) {
PyErr_Print();
Py_FatalError("Py_Initialize: importlib install failed");
@ -331,8 +334,8 @@ _Py_InitializeEx_Private(int install_sigs, int install_importlib)
Py_OptimizeFlag = add_flag(Py_OptimizeFlag, p);
if ((p = Py_GETENV("PYTHONDONTWRITEBYTECODE")) && *p != '\0')
Py_DontWriteBytecodeFlag = add_flag(Py_DontWriteBytecodeFlag, p);
/* The variable is only tested for existence here; _PyRandom_Init will
check its value further. */
/* The variable is only tested for existence here;
_Py_HashRandomization_Init will check its value further. */
if ((p = Py_GETENV("PYTHONHASHSEED")) && *p != '\0')
Py_HashRandomizationFlag = add_flag(Py_HashRandomizationFlag, p);
#ifdef MS_WINDOWS
@ -342,7 +345,7 @@ _Py_InitializeEx_Private(int install_sigs, int install_importlib)
Py_LegacyWindowsStdioFlag = add_flag(Py_LegacyWindowsStdioFlag, p);
#endif
_PyRandom_Init();
_Py_HashRandomization_Init();
_PyInterpreterState_Init();
interp = PyInterpreterState_New();
@ -402,13 +405,15 @@ _Py_InitializeEx_Private(int install_sigs, int install_importlib)
/* initialize builtin exceptions */
_PyExc_Init(bimod);
sysmod = _PySys_Init();
sysmod = _PySys_BeginInit();
if (sysmod == NULL)
Py_FatalError("Py_Initialize: can't initialize sys");
interp->sysdict = PyModule_GetDict(sysmod);
if (interp->sysdict == NULL)
Py_FatalError("Py_Initialize: can't initialize sys dict");
Py_INCREF(interp->sysdict);
if (_PySys_EndInit(interp->sysdict) < 0)
Py_FatalError("Py_Initialize: can't initialize sys");
_PyImport_FixupBuiltin(sysmod, "sys");
PySys_SetPath(Py_GetPath());
PyDict_SetItemString(interp->sysdict, "modules",
@ -694,7 +699,7 @@ Py_FinalizeEx(void)
PyDict_Fini();
PySlice_Fini();
_PyGC_Fini();
_PyRandom_Fini();
_Py_HashRandomization_Fini();
_PyArg_Fini();
PyAsyncGen_Fini();